流行性脑脊髓膜炎是由脑膜炎双球菌引起的化脓性脑膜炎。致病菌由鼻咽部侵入血循环,形成败血症,最后局限于脑膜及脊髓膜。常发生于冬、春两季,多见于儿童。主要表现突然寒战、高热,头痛明显,呕吐多呈喷射性,伴嗜睡、精神萎靡或烦躁不安,小儿则可抽风。部分患者出现皮疹,开始为玫瑰色斑丘疹,后变成淤点或淤斑, Meningococcal meningitis is meningitis caused by meningitis meningitis. Pathogens invade the bloodstream by the nasopharynx, the formation of sepsis, and ultimately confined to the meninges and spinal membranes. Often occurs in winter and spring, more common in children. The main performance of a sudden chills, fever, headache, vomiting and more spray, with drowsiness, apathetic or restless, children can exhaust. Some patients with rash, rash began to rosaceous, later became bruising or ecchymosis,